68 NOTES ON 
rous small diaphanous globular bodies, of various 
sizes, irregularly disposed around the second 
and succeeding stomachs. They gave the ob- 
ject a very peculiar and interesting appearance, — 
and as they did not appear in the young spe- 
cimens, one of which is shewn at fig. 1, plate 8, 
it was natural to mistake them for the ova; 
though it is stated that all the species of the 
Nais propagate by division; hence it is highly 
probable that these globular bodies are glands, 
secreting the nourishment imbibed from the 
contents of the stomachs. 
The general aspect of this creature is not 
unlike a worm, and, like it, there is no division 
or neck between the body and the head. The 
mouth (a) is furnished with a row of fimbrella, 
which appear to possess tactual feeling; its 
shape, when open, is that of a pear, the radial 
muscular fibres, which are distinctly perceptible, 
being stronger at the: inferior side. By the 
contraction and dilatation of these fibres, the 
pharynx is opened or closed. It has no feet, 
but small fasciculi of delicate hairs, or seti, at 
various distances, along its inferior side, and a 
larger cluster under the mouth. The cesopha- 
gus (b), connecting the cavity of the mouth 
with the first stomach, is capable of great and 
